---
title: "17.5x17.5x1 Air Filter — $60K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/17-5x17-5x1-air-filter"
last_updated: "2026-08-08T12:33:03.076Z"
locale: en
meta:
description: "Niche score 43/100 · $60K/yr market · 10K searches/yr · $45.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $60K/yr market · 10K searches/yr · $45.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "17.5x17.5x1 Air Filter — $60K/yr Amazon US Niche (2026) - Flapen"
---
# **17.5x17.5x1 air filter**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 15Growth 59Conversion 95Competition 2Returns 96Price range 95Avg price 95Brand share 0Review moat 21Quality gap 21
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$45.05**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$36.43–$57.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+34.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****11,171.83**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$60K**
$60K/yr · 10K searches
**Competition**
**Bad****98%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 17.5x17.5x1 air filter is a $60K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Skip it — 43/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **17.5x17.5x1 air filter market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$68K–$90K**
- units × avg price
- **Conversion rate**
- **12.8%**
- **Avg BSR**
- **#62**
- **Page quality**
- **0%**
- **Prime**
- **33%**
- **Sponsored**
- **83%**
- **Out of stock**
- **9.6%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **207 days**
## **Competition & brand share**
The top 5 products capture 98% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**7**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**98%**
Top 20: 100%
**Open market**
**0%**
- Filter King55% - Filtrete43% - Simply2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 60 weeks — +34.6% search growth over the last 90 days.
400300Spike '25Spike '26Prime Day '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jul · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/17-5x17-5x1-air-filter/trend)
## **Top 17.5x17.5x1 air filter products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$9K30%$18K45%$27K60%$36K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Filtrete 17.5x17.5x1 AC Furnace Air Filter MERV 8 MPR 700 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 17.19 x 17.19 x 0.81 in)**Filtrete**$43.80**4.7★6,265 rev](https://www.amazon.com/dp/B0CZC31L6D) [2**Filter King 17.5x17.5x1 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$47.75**4.7★961 rev](https://www.amazon.com/dp/B0BY3K534J) [3**Filter King 17.5x17.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$38.51**4.7★1,771 rev](https://www.amazon.com/dp/B0BV4WJ3PV) [4**Filter King 17.5x17.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$45.98**4.7★4,436 rev](https://www.amazon.com/dp/B0BJQQXM37) [5**Filter King 17.5x17.5x1 Air Filter (MERV 13) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$57.82**4.5★235 rev](https://www.amazon.com/dp/B0CGXRHLBS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Filtrete 17.5x17.5x1 AC Furnace Air Filter MERV 8 MPR 700 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 17.19 x 17.19 x 0.81 in)**Filtrete**$43.80**6,265 rev2y ago](https://www.amazon.com/dp/B0CZC31L6D) [**Filter King 17.5x17.5x1 Air Filter (MERV 13) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$57.82**235 rev2y ago](https://www.amazon.com/dp/B0CGXRHLBS) [**Filter King 17.5x17.5x1 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$47.75**961 rev3y ago](https://www.amazon.com/dp/B0BY3K534J) [**Filter King 17.5x17.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$38.51**1,771 rev3y ago](https://www.amazon.com/dp/B0BV4WJ3PV) [**Filter King 17.5x17.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$45.98**4,436 rev3y ago](https://www.amazon.com/dp/B0BJQQXM37)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Filter King 17.5x17.5x1 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$47.75**4.7★**▲ 44%**](https://www.amazon.com/dp/B0BY3K534J) [**Filtrete 17.5x17.5x1 AC Furnace Air Filter MERV 8 MPR 700 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 17.19 x 17.19 x 0.81 in)**Filtrete**$43.80**4.7★**— 6%**](https://www.amazon.com/dp/B0CZC31L6D) [**Filter King 17.5x17.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$45.98**4.7★**— 1%**](https://www.amazon.com/dp/B0BJQQXM37) [**Simply 18x18x1 Air Filter Merv 8 6 Pack For Home AC Furnace & HVAC (Actual Size: 17.75x17.75x0.75) DUST Pet & Allergy Control**Simply**$36.43**4.7★**▼ 19%**](https://www.amazon.com/dp/B09RHMBGVX) [**Filter King 17.5x17.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 17.5 x .75)**Filter King**$38.51**4.7★**▼ 37%**](https://www.amazon.com/dp/B0BV4WJ3PV)
**~~View all trending →~~**
## **What buyers say about 17.5x17.5x1 air filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**35%
*“Sized accurately”*
**Filtration**18%
*“Great filters”*
**Advertised Vs Actual Product**10%
*“Works as it should”*
**Quality-Overall**7%
*“Better quality and stronger design”*
**Pet Friendly**5%
*“dog fur well”*
**Water Flow**5%
*“Good airflow through the filter”*
### **What buyers complain about **
**Size-Overall**33%
*“NOT a true size”*
**Value For Money**11%
*“good overall, could be a bit cheaper”*
**Ease Of Cleaning**11%
*“if the filtter is real dirty then I toss it”*
**Thickness**11%
*“A little too thin”*
### **Top return reasons **
**Size-Overall**85%
**Compatibility-Overall**8%
**Maintenance And Repair**3%
**Value For Money**3%
**Filtration**3%
**Advertised Vs Actual Product**3%
## **Common questions**
- **Is 17.5x17.5x1 air filter profitable to sell on Amazon United States?**
- The niche generates $60K/yr across 6 tracked products. 90-day search growth is +34.6%. Flapen's verdict: Skip it (43/100).
- **How competitive is the 17.5x17.5x1 air filter niche?**
- 3 brands and 7 sellers compete. The top 5 products take 98% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 17.5x17.5x1 air filter?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Ease Of Cleaning. The return rate is 0.9%.
- **When does demand for 17.5x17.5x1 air filter peak?**
- Demand peaks in Jul; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the 17.5x17.5x1 air filter niche?**
- Listings span $36.43–$57.82; the average listing price is $45.05 (sweet spot $15–$100). The average incumbent carries 11,172 reviews — the moat a new listing must climb.
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